QID 730362

Date Published: 2022-02-21

QID 730362: Neo4j Database Server Affected by Apache Log4j Security Vulnerability

Neo4j is a graph database management system developed by Neo4j, Inc

Affected Versions:
Neo4j 4.2 versions prior to version 4.2.14
Neo4j 4.3 versions prior to version 4.3.10
Neo4j 4.4 versions prior to version 4.4.3

QID Detection Logic (Unauthenticated):
This QID checks vulnerable version of Neo4j Database server by extracting the version info from /browser/manifest.json endpoint.

Successful exploitation of the vulnerability may allow remote code execution and complete system compromise.

  • CVSS V3 rated as Critical - 10 severity.
  • CVSS V2 rated as Critical - 9.3 severity.
    • Solution

    Vendor has released patch, for more information please refer to Neo4j Security Advisory

    Workaround:
    For environments where an upgrade might not be possible in the short term, the following steps should be taken:
    Configuration change 1: Disable lookups through system properties which will help mitigate the issue to a great extent.
    In Neo4j Database Server the configuration below can be set via conf/neo4j.conf settings:
    dbms.jvm.additional=-Dlog4j2.formatMsgNoLookups=true
    Configuration change 2: After completing the first step, the following configuration changes are recommended in order to further reduce the exploitation paths of this vulnerability:
    For Neo4j version 4.2:
    unsupported.dbms.logs.format=JSON_FORMAT
    dbms.logs.http.enabled=false
    For Neo4j versions 4.3 and 4.4:
    dbms.logs.default_format=JSON
    dbms.logs.http.enabled=false

    Vendor References

    CVEs related to QID 730362

    CVE-2021-44228 | CVE-2021-45046 | CVE-2021-45105 | CVE-2021-44832 |
    Software Advisories
    Advisory ID Software Component Link
    Neo4j Security Advisory URL Logo neo4j.com/security/log4j/
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